31323331112 has 16 divisors (see below), whose sum is σ = 58748535360. Its totient is φ = 15657055024.

The previous prime is 31323331051. The next prime is 31323331141. The reversal of 31323331112 is 21113332313.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 547358 + ... + 601869.

It is an arithmetic number, because the mean of its divisors is an integer number (3671783460).

Almost surely, 2^31323331112 is an apocalyptic number.

It is an amenable number.

31323331112 is a deficient number, since it is larger than the sum of its proper divisors (27425204248).

31323331112 is a wasteful number, since it uses less digits than its factorization.

31323331112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152640 (or 1152636 counting only the distinct ones).

The product of its digits is 972, while the sum is 23.

Adding to 31323331112 its reverse (21113332313), we get a palindrome (52436663425).

The spelling of 31323331112 in words is "thirty-one billion, three hundred twenty-three million, three hundred thirty-one thousand, one hundred twelve".